Because the browser engine didn’t ship the component, I did (or you, or that guy Harry who doesn’t know what he’s talking about, take your pick). The component

Because the browser engine didn’t ship the component, I did (or you, or that guy Harry who doesn’t know what he’s talking about, take your pick). The component only provides its styles when the JS is run (you can look at the definition). There is no way to make a component that doesn’t require JS (HTML imports were one attempt, but they didn’t work out).